langchain/docs/modules/agents/tools/examples/google_serper.ipynb

Google Serper API

This notebook goes over how to use the Google Serper component to search the web. First you need to sign up for a free account at serper.dev and get your api key.

In [ ]:

import os
os.environ["SERPER_API_KEY"] = ""

In [2]:

from langchain.utilities import GoogleSerperAPIWrapper

In [3]:

search = GoogleSerperAPIWrapper()

In [4]:

search.run("Obama's first name?")

Out [4]:

'Barack Hussein Obama II'

As part of a Self Ask With Search Chain

In [ ]:

os.environ['OPENAI_API_KEY'] = ""

In [5]:

from langchain.utilities import GoogleSerperAPIWrapper
from langchain.llms.openai import OpenAI
from langchain.agents import initialize_agent, Tool
from langchain.agents import AgentType

llm = OpenAI(temperature=0)
search = GoogleSerperAPIWrapper()
tools = [
    Tool(
        name="Intermediate Answer",
        func=search.run,
        description="useful for when you need to ask with search"
    )
]

self_ask_with_search = initialize_agent(tools, llm, agent=AgentType.SELF_ASK_WITH_SEARCH, verbose=True)
self_ask_with_search.run("What is the hometown of the reigning men's U.S. Open champion?")

Out [5]:

> Entering new AgentExecutor chain...
 Yes.
Follow up: Who is the reigning men's U.S. Open champion?
Intermediate answer: Current champions Carlos Alcaraz, 2022 men's singles champion.
Follow up: Where is Carlos Alcaraz from?
Intermediate answer: El Palmar, Spain
So the final answer is: El Palmar, Spain

> Finished chain.

'El Palmar, Spain'